These ebuilds come from https://github.com/funtoo/funtoo-overlay.
If you have some problems, go to the official site first.
autogen : Program and text file generation ( http://www.gnu.org/software/autogen/ )
gcc-config : utility to manage compilers ( http://git.overlays.gentoo.org/gitweb/?p=proj/gcc-config.git )
libtool : A shared library tool for developers ( http://www.gnu.org/software/libtool/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a funtoo-overlay
For Paludis use this rsync : rsync://gentoo.zugaina.org/funtoo-overlay-portage
If you have a problem : ycarus(-at-)zugaina.org